Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 204/29F
Name: Chemistry: electrical and wave energy >

Sub-classes under this class:

Class Number Class Name Patents
204/ Processes and products 0
204/ Apparatus (204/193) 0
204/193 Apparatus 149
204/900 Effecting a change in isomerization by wave energy 22
204/901 Effecting a color change by wave energy 10
204/902 Production of desired compound by wave energy in presence of a chemically designated nonreactant chemical treating agent (excluding water, chloroform, carbon tetrachloride, methylene chloride or benzene) 9
204/DIG.12 Electrochemical machining 4
204/DIG.13 Purification and treatment of electroplating baths and plating wastes 162
204/DIG.3 Auxiliary internally generated electrical energy 63
204/DIG.4 Electrolysis cell combined with fuel cell 69
204/DIG.5 Magnetic plus electrolytic 43
204/DIG.6 Unusual non-204 uses of electrolysis 27
204/DIG.7 Current distribution within the bath 157
204/DIG.8 Ac plus dc 28
204/DIG.9 Wave forms 142

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Methods and system for displaying segmented images
Systems and methods for velocity profile based approach to point control
Process for improving the hydrolysis of cellulose in high consistency systems using one or more unmixed and mixed hydrolysis reactors
Phenethanolamine derivatives for treatment of respiratory diseases
Liquid crystal shutter glasses
Layout design defect repair based on inverse lithography and traditional optical proximity correction
Control device
  Randomly Featured Patents
Apparatus for collecting and handling tissue during uterine evacuation procedure
Process of using oxazoline and/or oxazine-modified polymers
Imaging method with U.V. excitation of liquid crystal
Magnetic tape winder
Motorcycle fairing radiator vent trim assembly
Carrier for empty beverage cans
Substrate and method of forming substrate for fluid ejection device
Microscopy system utilizing a plurality of images for enhanced image processing capabilities
Method for safely parking vehicle near obstacles
Projection system